Statements (51)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:Asteroids
|
gptkbp:apparent_magnitude |
10.0
|
gptkbp:body_shape |
approximately 1 km
|
gptkbp:composed_by |
ice and dust
|
gptkbp:discovered_by |
gptkb:Hermann_Schwassmann
Arno Wachmann |
gptkbp:discovery |
gptkb:Germany
Arno Wachmann Arnold Schwassmann |
gptkbp:discovery_year |
gptkb:1930
1930-05-24 |
gptkbp:eccentricity |
0.57
|
gptkbp:element |
aphelion distance 5.5 AU
argument of periapsis 100 degrees eccentricity 0.57 inclination 10.5 degrees longitude of ascending node 200 degrees mean anomaly 50 degrees next perihelion date 2026-11-30 perihelion date 2021-06-06 perihelion distance 1.5 AU period 5.4 years semi-major axis 3.5 AU true anomaly 60 degrees |
https://www.w3.org/2000/01/rdf-schema#label |
Schwassmann-Wachmann 2
|
gptkbp:is_aplace_for |
5.5 AU
5.3 AU |
gptkbp:notable_event |
observed by Hubble Space Telescope
close approach to Earth in 2006 fragmentation in 1995 multiple fragments observed disruption in 2006 |
gptkbp:notable_for |
observed by amateur astronomers
monitored for fragmentation observed during close approach tracked by professional observatories |
gptkbp:orbital_inclination |
10.5 degrees
|
gptkbp:orbital_period |
5.4 years
|
gptkbp:origin |
named after discoverers
|
gptkbp:perihelion |
1.5 AU
2021-06-06 2026-11-30 |
gptkbp:research |
gptkb:spectroscopy
photometry imaging radar observations observed multiple times |
gptkbp:scientific_classification |
periodic comet
|
gptkbp:semi_major_axis |
3.5 AU
|
gptkbp:bfsParent |
gptkb:Schwassmann-Wachmann_family_of_comets
|
gptkbp:bfsLayer |
7
|